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Dermatology (Expert Forum)
Persistent and spreading mystery rash doesn't respond to steroids
Answered by
Alan Rockoff, MD - dermatology, Child Skin Problems
The Rockoff Dermatology Center
Brookline - MA
This forum is for questions regarding Dermatology issues, such as: skin rashes, acne, birthmarks, skin infections, rosacea, and general skin care.
Persistent and spreading mystery rash doesn't respond to steroids
by Pam573, Jan 12, 2005 12:00AM
I have one or possibly two different skin conditions that have my GP stymied and I'm having a terrible time getting a derm appointment, so I'm hoping to get your thoughts while I wait.
Back in August, after a period of extreme stress followed by a week at the beach, I developed a hive-like rash on my neck at the base of my hairline. It briefly disappeared -- during a period of low stress, and exactly on the day I went to see a doctor about it -- then quickly re-emerged. It began to spread up behind my right ear and well up into my hairline on the right side, but very slowly, and seemed confined to a maybe 3-inch square area on my neck and scalp on the right side.
About month after it re-emerged -- so now the first week of December -- I began to itch intensely all over my body, especially on my belly,ribcage,lower back and lower legs. The neck rash was still there, the other itching was not accompanied by a prominent rash. I thought there might be some connection to the progesterone that I had been taking, but the itching persisted intensely for a week after I had discontinued the drug. Convinced I had a liver disorder, went back to my doctor and requested blood tests. The blood tests were normal. There was still no real rash, although I had a very few pin-point scablike marks scattered around my trunk. She gave me a prescription strength steroid cream, and said she thought the neck might be psoriasis, and that the itching maybe allergic. I didn't think allergy was likely because I wasn't using any new products, generally am not allergic and had discontinued most of my hair care and other skin care products.
The steroid cream made the welt-like rash on my neck very slightly less prominent, but otherwise has not had an effect. The itching persisted intensely for about four days, and slowly subsided. About two weeks later, however, the itching returned on my lower legs, accompanied by a rash that looked very much like poison oak. (I broke two of my toes a week before, so had not been out. It's possible I could have been exposed to poison oak by my dog, but no one else in the family is showing any signs, and besides, I think it's too much of a coincidence.) The "new" rash has now cropped up on both of my lower legs, all over my lower belly and ribcage, across one buttock, down the center of my back, at the base of my neck, on both forearms, and, today, on my neck behind my left ear. For a while I thought the original neck issue and this issue were distinct, as the "new" rash generally presents with small postules, but some marks on my lower legs and trunk seem to be a combination of postules and welts, some of which develop a white crust on the top. Nothing seems to arrest the spread, and while the itching is only intense in the evenings, nothing seems to alleviate it. It is very unsightly. It is also really, really unnerving. It seems to be only a short matter of time before it reaches my face. Thoughts? Thanks so much!
Back in August, after a period of extreme stress followed by a week at the beach, I developed a hive-like rash on my neck at the base of my hairline. It briefly disappeared -- during a period of low stress, and exactly on the day I went to see a doctor about it -- then quickly re-emerged. It began to spread up behind my right ear and well up into my hairline on the right side, but very slowly, and seemed confined to a maybe 3-inch square area on my neck and scalp on the right side.
About month after it re-emerged -- so now the first week of December -- I began to itch intensely all over my body, especially on my belly,ribcage,lower back and lower legs. The neck rash was still there, the other itching was not accompanied by a prominent rash. I thought there might be some connection to the progesterone that I had been taking, but the itching persisted intensely for a week after I had discontinued the drug. Convinced I had a liver disorder, went back to my doctor and requested blood tests. The blood tests were normal. There was still no real rash, although I had a very few pin-point scablike marks scattered around my trunk. She gave me a prescription strength steroid cream, and said she thought the neck might be psoriasis, and that the itching maybe allergic. I didn't think allergy was likely because I wasn't using any new products, generally am not allergic and had discontinued most of my hair care and other skin care products.
The steroid cream made the welt-like rash on my neck very slightly less prominent, but otherwise has not had an effect. The itching persisted intensely for about four days, and slowly subsided. About two weeks later, however, the itching returned on my lower legs, accompanied by a rash that looked very much like poison oak. (I broke two of my toes a week before, so had not been out. It's possible I could have been exposed to poison oak by my dog, but no one else in the family is showing any signs, and besides, I think it's too much of a coincidence.) The "new" rash has now cropped up on both of my lower legs, all over my lower belly and ribcage, across one buttock, down the center of my back, at the base of my neck, on both forearms, and, today, on my neck behind my left ear. For a while I thought the original neck issue and this issue were distinct, as the "new" rash generally presents with small postules, but some marks on my lower legs and trunk seem to be a combination of postules and welts, some of which develop a white crust on the top. Nothing seems to arrest the spread, and while the itching is only intense in the evenings, nothing seems to alleviate it. It is very unsightly. It is also really, really unnerving. It seems to be only a short matter of time before it reaches my face. Thoughts? Thanks so much!
Doctor's Answer
by Alan Rockoff, MD, Jan 13, 2005 12:00AM
, Jan 13, 2005 12:00AM
I apologize, but I'm afraid I haven't any real idea of what you have. Perhaps you have some form of hives or eczema or folliculitis, but you'll need to see a doctor in person to get a more detailed diagnosis. I can't think of anything serious, to tell the truth. While you wait for an appointment, try over-the-counter Sarna or similar lotion liberally and often to suppress itch. Antihistamines like Benadryl or chlortrimeton (both also over-the-counter) are also worth a try, if only to see whether they help.
Take care.
Dr. Rockoff
Take care.
Dr. Rockoff
I hope this is a little help.
besides, i had scabies once when i was little and this looks nothing like scabies. it's more like a whole lot of mosquito bites concentrated over the pores.
my first diagnosis was also the "Pityriasis Rosea" but it's persistence changed my doctor's mind. all i can say is good luck, cause no general pract. i've talked to has a clue what it is.